Rear sight for firearms



FIG. 1 is a top perspective view of a rear sight for firearms showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, it being understood that the opposite side is a mirror image and therefore is not shown;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The elements shown in phantom line are not part of the claimed invention. 

The ornamental design for a rear sight for firearms, as shown and described. 